From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail6.bemta12.messagelabs.com (mail6.bemta12.messagelabs.com [216.82.250.247]) by kanga.kvack.org (Postfix) with ESMTP id 749176B008C for ; Fri, 18 Nov 2011 06:35:46 -0500 (EST) Received: from /spool/local by e28smtp07.in.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Fri, 18 Nov 2011 17:05:41 +0530 Received: from d28av01.in.ibm.com (d28av01.in.ibm.com [9.184.220.63]) by d28relay03.in.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id pAIBZb1G4415514 for ; Fri, 18 Nov 2011 17:05:37 +0530 Received: from d28av01.in.ibm.com (loopback [127.0.0.1]) by d28av01.in.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id pAIBZaf8027939 for ; Fri, 18 Nov 2011 17:05:37 +0530 From: Srikar Dronamraju Date: Fri, 18 Nov 2011 16:39:33 +0530 Message-Id: <20111118110933.10512.53709.sendpatchset@srdronam.in.ibm.com> In-Reply-To: <20111118110631.10512.73274.sendpatchset@srdronam.in.ibm.com> References: <20111118110631.10512.73274.sendpatchset@srdronam.in.ibm.com> Subject: [PATCH v7 3.2-rc2 15/30] x86: Define x86_64 specific uprobe_task_arch_info structure Sender: owner-linux-mm@kvack.org List-ID: To: Peter Zijlstra , Linus Torvalds Cc: Oleg Nesterov , Andrew Morton , LKML , Linux-mm , Ingo Molnar , Andi Kleen , Christoph Hellwig , Steven Rostedt , Roland McGrath , Thomas Gleixner , Masami Hiramatsu , Arnaldo Carvalho de Melo , Anton Arapov , Ananth N Mavinakayanahalli , Jim Keniston , Stephen Wilson On x86_64, need to handle RIP relative instructions, which requires us to save and restore a register. Signed-off-by: Jim Keniston Signed-off-by: Srikar Dronamraju --- arch/x86/include/asm/uprobes.h | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-) diff --git a/arch/x86/include/asm/uprobes.h b/arch/x86/include/asm/uprobes.h index 19a5949..cf794bf 100644 --- a/arch/x86/include/asm/uprobes.h +++ b/arch/x86/include/asm/uprobes.h @@ -36,8 +36,13 @@ typedef u8 uprobe_opcode_t; struct uprobe_arch_info { unsigned long rip_rela_target_address; }; + +struct uprobe_task_arch_info { + unsigned long saved_scratch_register; +}; #else struct uprobe_arch_info {}; +struct uprobe_task_arch_info {}; #endif struct uprobe; extern int analyze_insn(struct mm_struct *mm, struct uprobe *uprobe); -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757018Ab1KRLfq (ORCPT ); Fri, 18 Nov 2011 06:35:46 -0500 Received: from e28smtp06.in.ibm.com ([122.248.162.6]:44505 "EHLO e28smtp06.in.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756667Ab1KRLfo (ORCPT ); Fri, 18 Nov 2011 06:35:44 -0500 From: Srikar Dronamraju To: Peter Zijlstra , Linus Torvalds Cc: Oleg Nesterov , Andrew Morton , LKML , Linux-mm , Ingo Molnar , Andi Kleen , Christoph Hellwig , Steven Rostedt , Roland McGrath , Thomas Gleixner , Masami Hiramatsu , Arnaldo Carvalho de Melo , Anton Arapov , Ananth N Mavinakayanahalli , Jim Keniston , Stephen Wilson Date: Fri, 18 Nov 2011 16:39:33 +0530 Message-Id: <20111118110933.10512.53709.sendpatchset@srdronam.in.ibm.com> In-Reply-To: <20111118110631.10512.73274.sendpatchset@srdronam.in.ibm.com> References: <20111118110631.10512.73274.sendpatchset@srdronam.in.ibm.com> Subject: [PATCH v7 3.2-rc2 15/30] x86: Define x86_64 specific uprobe_task_arch_info structure x-cbid: 11111811-9574-0000-0000-00000036A193 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On x86_64, need to handle RIP relative instructions, which requires us to save and restore a register. Signed-off-by: Jim Keniston Signed-off-by: Srikar Dronamraju --- arch/x86/include/asm/uprobes.h | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-) diff --git a/arch/x86/include/asm/uprobes.h b/arch/x86/include/asm/uprobes.h index 19a5949..cf794bf 100644 --- a/arch/x86/include/asm/uprobes.h +++ b/arch/x86/include/asm/uprobes.h @@ -36,8 +36,13 @@ typedef u8 uprobe_opcode_t; struct uprobe_arch_info { unsigned long rip_rela_target_address; }; + +struct uprobe_task_arch_info { + unsigned long saved_scratch_register; +}; #else struct uprobe_arch_info {}; +struct uprobe_task_arch_info {}; #endif struct uprobe; extern int analyze_insn(struct mm_struct *mm, struct uprobe *uprobe);